Dental X-ray Equipment

Question 1

What year were federal guidelines regarding diagnostic equipment standards (for dental x-ray units) established?

Answer 1

1974

Question 2

What does the federal government regulate regarding dental x-ray units?

Answer 2

-manufacture
-installation

Question 3

What do state and local governments regulate regarding dental x-ray units?

Answer 3

-usage of equipment
-radiation safety codes
-equipment registration

Question 4

How does equipment inspection in the PA work?

Answer 4

-regulated by the PA department of Environmental Protection (DEP)
-periodic inspections and monitoring every 3-4 years

Question 5

Describe portable dental units

Answer 5

-battery powered, portable handheld x-ray for use in nursing homes, private care facilities, in home care, etc
-approved by FDA *not in all states
-has lead acrylic disk shield to reduce backscatter radiation

Question 6

Describe the tubehead

Answer 6

-contains the x-ray tube
-produces the dental x-ray

Question 7

Describe the PID

Answer 7

-position-indicating device (cone)
-round or rectangular
-restricts size of the x-ray beam

Question 8

Describe the extension arm

Answer 8

-suspends x-ray tubehead
-houses electrical wires
-allows movement/alignment of tubehead and PID

Question 9

Describe the control panel

Answer 9

-has exposure time indicator
-receptor type button
-exposure button
-*we do not change any setting on the control panel except exposure time (adult or child)

Question 10

What are beam alignment devices?

Answer 10

film or imaging plate holders with a rod to aid in the alignment of receptor to PID, as well as an aiming ring

Question 11

What are collimators?

Answer 11

a device that is put onto the end of a standard PID to further restrict the size of the x-ray beam and limit radiation exposure

Question 12

What is the exposure time for an adult VS a child

Answer 12

adult- 0.1
child- 0.064